1022986149 has 4 divisors (see below), whose sum is σ = 1363981536. Its totient is φ = 681990764.

The previous prime is 1022986147. The next prime is 1022986183. The reversal of 1022986149 is 9416892201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9416892201 = 3 ⋅3138964067.

It is a cyclic number.

It is not a de Polignac number, because 1022986149 - 2¹ = 1022986147 is a prime.

It is a super-2 number, since 2×1022986149² = 2093001322091700402, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1022986149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022986141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170497689 + ... + 170497694.

It is an arithmetic number, because the mean of its divisors is an integer number (340995384).

Almost surely, 2^1022986149 is an apocalyptic number.

It is an amenable number.

1022986149 is a deficient number, since it is larger than the sum of its proper divisors (340995387).

1022986149 is an equidigital number, since it uses as much as digits as its factorization.

1022986149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340995386.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 1022986149 is about 31984.1546550788. The cubic root of 1022986149 is about 1007.6040810568.

The spelling of 1022986149 in words is "one billion, twenty-two million, nine hundred eighty-six thousand, one hundred forty-nine".